Harmonized System

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Section VI > Chapter 28 > Heading 2850

Explanatory notes

… of its elements; white masses with a crystalline fracture, decomposing in the cold on contact with water and … It is a reducing agent used for producing sintered chromium from chromic chloride. There are also hydrides of arsenic, … . Boron nitride (BN) is a light white powder, highly refractory. A heat and electricity insulator; used for …

Section XVIII > Chapter 90 > Heading 9011

Explanatory notes

… also incorporates provision for illuminating the object from below (by means of a mirror illuminated by an external … a set of condenser lenses which direct the beam of light from the mirror on to the object. (II)  A specimen stage, … clock or watch jewels; microscopes with heating or freezing stages. Special purpose microscopes include : (1)   …

Section XV > Chapter 79 > Heading 7902

Explanatory notes

… The heading excludes  : (a)   Slag, ash and residues from the manufacture of zinc, from galvanising processes, etc. (e.g., sludges deposited in electro‑galvanising, and metallic residues from dipping tanks) ( heading 26.20 ). (b)   Ingots and …

Section VI > Chapter 29 > Heading 2912

Explanatory notes

… de) (CH 3 CHO). Obtained by oxidation of ethanol or from acetylene. Mobile, colourless liquid with a pungent, fruity odour; caustic; very volatile, inflammable; miscible … and eucalyptus oils. (2) Cyclocitrals A and B . Obtained from citral. (3) Perillaldehyde . Found in essential oils of …

Section VI > Chapter 29 > Heading 2909

Explanatory notes

… Benzyl ethyl ether . (B) ETHER-ALCOHOLS These are derived from polyhydric alcohols or phenol-alcohols by replacing the … ETHER-PHENOLS AND ETHER-ALCOHOL-PHENOLS These are derived from dihydric phenols or phenol alcohols by replacing the … extensively used in medicine. (3)   Eugenol , obtained from cloves, a colourless liquid with an odour of …

Section XVI > Chapter 85 > Heading 8525

Explanatory notes

… by means of an aerial and parabolic reflector , from the studio or site of an outside broadcast to the main … cameras, whether or not presented separately, is excluded from this heading ( heading 84.28 ). Also excluded from this heading is electrical equipment for long-distance …

Section XVI > Chapter 84 > Heading 8464

Explanatory notes

… by this heading. These latter types can be distinguished from the hand tools of heading 82.05 and from the tools for … and are thus usually provided with a base plate, mounting frame, stand, etc. (I) MACHINES FOR WORKING STONE, CERAMICS, … of powdered sandstone and water, cuts into the stone by friction. (B)   Machines for splitting or cleaving . (C)   …

Section XVI > Chapter 84 > Heading 8412

Explanatory notes

… nozzle. (2)         Pulse-jets.        This engine differs from the ram-jet in that its outlet nozzle emits a pulsating … the expansion energy) and also to prevent the cylinders from frosting due to a rapid drop in temperature. These … steam engine equipped with one or two flywheels which frequently also act as the power take-offs. Engines of this …

Section VI > Chapter 28 > Heading 2853

Explanatory notes

… (Zn 3 P 2 ). Grey, poisonous powder with a vitreous fracture; gives off phosphine and deteriorates in moist air. … It is used for obtaining oxygen, nitrogen and rare gases by fractional distillation. Because of its rapid evaporation, … in mining. This heading also includes : (1)   Liquid air from which rare gases have been removed. (2)   Compressed …

Section XI > Chapter 56 > Heading 5601

Explanatory notes

… or of artificial staple fibres. Low‑grade wadding, made from waste from carding or garnetting, usually contains a proportion of … or 62.17 ). (g)   Artificial flowers, foliage or fruit and parts thereof ( heading 67.02 ). (h)   Theatrical …